CVE-2026-33858
2 advisories.
PyPI/apache-airflow CVE-2026-33858: high 8.8
Apache Airflow: Unsafe Deserialization via Legacy Serialization Keys (__type/__var) Bypass in XCom API
Action: Upgrade apache-airflow to 3.2.0 or later.
pip install apache-airflow==3.2.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 3.1.8 | 3.2.0 | - |
Fixed versions
| 3.2.0 |
Sources
- osv: GHSA-mc4f-r875-v87w
- https://nvd.nist.gov/vuln/detail/CVE-2026-33858
- https://github.com/apache/airflow/pull/64148
- https://github.com/apache/airflow
- https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-20.yaml
- https://lists.apache.org/thread/1npt3o2x81s0gw9tmfcv4n7p1z9hdmy0
- http://www.openwall.com/lists/oss-security/2026/04/13/7
CVE-2026-33858 · published · modified · JSON
PyPI/apache-airflow CVE-2026-33858: high 8.8
Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly tru
Action: Upgrade apache-airflow to 3.2.0 or later.
pip install apache-airflow==3.2.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 3.1.8 | 3.2.0 | - |
Fixed versions
| 3.2.0 |
Sources
- osv: PYSEC-2026-20
- http://www.openwall.com/lists/oss-security/2026/04/13/7
- https://lists.apache.org/thread/1npt3o2x81s0gw9tmfcv4n7p1z9hdmy0
- https://github.com/apache/airflow/pull/64148
- https://github.com/advisories/GHSA-mc4f-r875-v87w
CVE-2026-33858 · published · modified · JSON